Roll Flutter Engine from e95e12368a42 to 3a7aa01b0a7d (1 revision) (#140846)

https://github.com/flutter/engine/compare/e95e12368a42...3a7aa01b0a7d

2024-01-02 jonahwilliams@google.com [Impeller] add doc on iOS flamegraph capture. (flutter/engine#49469)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

-e95e12368a42ad4260bc5c849c60ec37f26b93e9
+3a7aa01b0a7de48ed84e529e2ba9b483667bd09d